AlN Base Material Development for High Temperature Application

Research output: NRELPoster


Polar wurtzite AlN-based alloy materials have exceptional optoelectronic and charge transport properties (e.g., Al1-xGaxN in LEDs and Al1-xScxN as a promising new ferroelectric1). Other cation substitutions include Ta3+, Cr3+, Er3+, Yb3+, and small amounts of Gd3+,2-6 but ionic size effects are a serious issue, and other variables affecting solubility are underexplored in this family, hampering development of new functional AlN-based alloys.
Original languageAmerican English
StatePublished - 2023

NREL Publication Number

  • NREL/PO-5K00-86397


  • aluminum nitride
  • semiconductor
  • wurtzite


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